Volume 1

Chemical essays / by R. Watson.

  • Watson, Richard, 1737-1816.
Date:
1793-1796
Catalogue details

Licence: Public Domain Mark

Credit: Chemical essays / by R. Watson. Source: Wellcome Collection.

    345/376 (page 325)
    About the fame period that the government of England bargained with the Eaft India Company for ail annual fupply of faltpetre, a much larger quantity was made in France; an author of good credit* informing us that in the year 1691 the faltpetre which was made in the feveral dif- triels of that kingdom, amounted to. —36477674 pounds. This is avail quantity, being nearly equal to the average quantity annually imported by our Eaft India Company. The French very wifely keep up their eftablirhments for the making of falt- petre; the revolutions which have formerly taken place in India, ren- der it not improbable, that fimilar X 3 ones and other parts of Afia, to be ufed in fire- works. * See Memoires d’ Artillerie par Sr. Suri- rez, Fona. II. p. 104, Amfter. 1702.